Analysis
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max time kernel
151s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
14/10/2023, 01:29
General
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Target
CI & PL.exe
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Size
491KB
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MD5
5f7e0aa7cf90db6005497435f76dfa6b
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SHA1
507e98425ffcaa648499b0a084dfd7f1709d787c
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SHA256
2ec423eecd97dea1a598263faf7c83c09181f55524dde32011c8f14b1c004f48
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SHA512
a3705407f9a01c23f14296b8992bd6e762b4727f91b2e80ceef55e9cfec5e633458a175e9c856229a21f6e77e601bf3dcde5b4de7edb1d68a865b4bd9bc328dd
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SSDEEP
12288:RX6JedM3HMhamvGZDBL+HxhtPn4VsZ2MIrvYTjO4rW:MJed8sEjU3tC
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.wecaresvc.com - Port:
587 - Username:
[email protected] - Password:
u9367gk8qc - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CI & PL.exe"C:\Users\Admin\AppData\Local\Temp\CI & PL.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wVPZXCVgXcI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD03C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\CI & PL.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD579468234605db9905fcaf1bbe0e947a8
SHA1f0bc05802f606a9875fbcbb9522220c9ee77b040
SHA256eaf121c7aeba45a0334554a969a44884f0f11b3df2fbcf9ae79060f7063d8922
SHA51239b22b91f8b1dbd21631207460a41618fec5d2039aca835e58abcfe4afdbcb7d05f024480356a2cf297fdc0d8e4f420101bc448c2f55ddf1be0bc43beb5318f8
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Filesize
64KB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
408KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
264KB
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Filesize
64KB
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Filesize
40KB
-
Filesize
80KB
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Filesize
488KB
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Filesize
264KB
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Filesize
7.7MB
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Filesize
344KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
512KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
776KB
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Filesize
7.7MB